All contractors subject to the provisions of this chapter must include their certificate of registration number on all advertising proposals, contracts, and invoices displayed in a conspicuous manner.
R.I. Gen. Laws § 5-65-22
All contractors subject to the provisions of this chapter must include their certificate of registration number on all advertising proposals, contracts, and invoices displayed in a conspicuous manner.
R.I. Gen. Laws § 5-65-22